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<h1>EdgeRing.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**********************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * $Id: EdgeRing.h 2567 2009-06-08 16:58:42Z strk $</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * GEOS - Geometry Engine Open Source</span>
<a name="l00005"></a>00005 <span class="comment"> * http://geos.refractions.net</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Copyright (C) 2006 Refractions Research Inc.</span>
<a name="l00008"></a>00008 <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions Inc.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * This is free software; you can redistribute and/or modify it under</span>
<a name="l00011"></a>00011 <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span>
<a name="l00012"></a>00012 <span class="comment"> * by the Free Software Foundation. </span>
<a name="l00013"></a>00013 <span class="comment"> * See the COPYING file for more information.</span>
<a name="l00014"></a>00014 <span class="comment"> *</span>
<a name="l00015"></a>00015 <span class="comment"> **********************************************************************</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * Last port: operation/polygonize/EdgeRing.java rev. 1.8 (JTS-1.10)</span>
<a name="l00018"></a>00018 <span class="comment"> *</span>
<a name="l00019"></a>00019 <span class="comment"> **********************************************************************/</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef GEOS_OP_POLYGONIZE_EDGERING_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OP_POLYGONIZE_EDGERING_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <geos/export.h></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include <vector></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="comment">// Forward declarations</span>
<a name="l00030"></a>00030 <span class="keyword">namespace </span>geos {
<a name="l00031"></a>00031 <span class="keyword">namespace </span>geom {
<a name="l00032"></a>00032 <span class="keyword">class </span>LineString;
<a name="l00033"></a>00033 <span class="keyword">class </span>LinearRing;
<a name="l00034"></a>00034 <span class="keyword">class </span>Polygon;
<a name="l00035"></a>00035 <span class="keyword">class </span>CoordinateSequence;
<a name="l00036"></a>00036 <span class="keyword">class </span>Geometry;
<a name="l00037"></a>00037 <span class="keyword">class </span>GeometryFactory;
<a name="l00038"></a>00038 <span class="keyword">class </span>Coordinate;
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040 <span class="keyword">namespace </span>planargraph {
<a name="l00041"></a>00041 <span class="keyword">class </span>DirectedEdge;
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">namespace </span>geos {
<a name="l00046"></a>00046 <span class="keyword">namespace </span>operation { <span class="comment">// geos::operation</span>
<a name="l00047"></a>00047 <span class="keyword">namespace </span>polygonize { <span class="comment">// geos::operation::polygonize</span>
<a name="l00048"></a>00048
<a name="l00053"></a><a class="code" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">00053</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html" title="Represents a ring of PolygonizeDirectedEdge which form a ring of a polygon. The ring may be either an...">EdgeRing</a> {
<a name="l00054"></a>00054 <span class="keyword">private</span>:
<a name="l00055"></a>00055 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html" title="Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...">geom::GeometryFactory</a> *factory;
<a name="l00056"></a>00056 std::vector<const planargraph::DirectedEdge*> *deList;
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="comment">// cache the following data for efficiency</span>
<a name="l00059"></a>00059 <a class="code" href="classgeos_1_1geom_1_1LinearRing.html" title="Models an OGC SFS LinearRing.">geom::LinearRing</a> *ring;
<a name="l00060"></a>00060 <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">geom::CoordinateSequence</a> *ringPts;
<a name="l00061"></a>00061 std::vector<geom::Geometry*> *holes;
<a name="l00062"></a>00062
<a name="l00069"></a>00069 <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">geom::CoordinateSequence</a>* getCoordinates();
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keyword">static</span> <span class="keywordtype">void</span> addEdge(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">geom::CoordinateSequence</a> *coords,
<a name="l00072"></a>00072 <span class="keywordtype">bool</span> isForward,
<a name="l00073"></a>00073 <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">geom::CoordinateSequence</a> *coordList);
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keyword">public</span>:
<a name="l00092"></a>00092 <span class="keyword">static</span> <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html" title="Represents a ring of PolygonizeDirectedEdge which form a ring of a polygon. The ring may be either an...">EdgeRing</a>* findEdgeRingContaining(
<a name="l00093"></a>00093 <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html" title="Represents a ring of PolygonizeDirectedEdge which form a ring of a polygon. The ring may be either an...">EdgeRing</a> *testEr,
<a name="l00094"></a>00094 std::vector<EdgeRing*> *shellList);
<a name="l00095"></a>00095
<a name="l00106"></a>00106 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a>& ptNotInList(
<a name="l00107"></a>00107 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">geom::CoordinateSequence</a> *testPts,
<a name="l00108"></a>00108 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">geom::CoordinateSequence</a> *pts);
<a name="l00109"></a>00109
<a name="l00118"></a>00118 <span class="keyword">static</span> <span class="keywordtype">bool</span> isInList(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a> &pt,
<a name="l00119"></a>00119 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">geom::CoordinateSequence</a> *pts);
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html" title="Represents a ring of PolygonizeDirectedEdge which form a ring of a polygon. The ring may be either an...">EdgeRing</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html" title="Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...">geom::GeometryFactory</a> *newFactory);
<a name="l00122"></a>00122
<a name="l00123"></a>00123 ~<a class="code" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html" title="Represents a ring of PolygonizeDirectedEdge which form a ring of a polygon. The ring may be either an...">EdgeRing</a>();
<a name="l00124"></a>00124
<a name="l00130"></a>00130 <span class="keywordtype">void</span> add(<span class="keyword">const</span> <a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html" title="Represents a directed edge in a PlanarGraph.">planargraph::DirectedEdge</a> *de);
<a name="l00131"></a>00131
<a name="l00139"></a>00139 <span class="keywordtype">bool</span> isHole();
<a name="l00140"></a>00140
<a name="l00146"></a>00146 <span class="keywordtype">void</span> addHole(<a class="code" href="classgeos_1_1geom_1_1LinearRing.html" title="Models an OGC SFS LinearRing.">geom::LinearRing</a> *hole);
<a name="l00147"></a>00147
<a name="l00156"></a>00156 <a class="code" href="classgeos_1_1geom_1_1Polygon.html" title="Represents a linear polygon, which may include holes.">geom::Polygon</a>* getPolygon();
<a name="l00157"></a>00157
<a name="l00162"></a>00162 <span class="keywordtype">bool</span> isValid();
<a name="l00163"></a>00163
<a name="l00172"></a>00172 <a class="code" href="classgeos_1_1geom_1_1LineString.html" title="Basic implementation of LineString.">geom::LineString</a>* getLineString();
<a name="l00173"></a>00173
<a name="l00181"></a>00181 <a class="code" href="classgeos_1_1geom_1_1LinearRing.html" title="Models an OGC SFS LinearRing.">geom::LinearRing</a>* getRingInternal();
<a name="l00182"></a>00182
<a name="l00190"></a>00190 <a class="code" href="classgeos_1_1geom_1_1LinearRing.html" title="Models an OGC SFS LinearRing.">geom::LinearRing</a>* getRingOwnership();
<a name="l00191"></a>00191 };
<a name="l00192"></a>00192
<a name="l00193"></a>00193 } <span class="comment">// namespace geos::operation::polygonize</span>
<a name="l00194"></a>00194 } <span class="comment">// namespace geos::operation</span>
<a name="l00195"></a>00195 } <span class="comment">// namespace geos</span>
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="preprocessor">#endif // GEOS_OP_POLYGONIZE_EDGERING_H</span>
<a name="l00198"></a>00198 <span class="preprocessor"></span>
<a name="l00199"></a>00199 <span class="comment">/**********************************************************************</span>
<a name="l00200"></a>00200 <span class="comment"> * $Log$</span>
<a name="l00201"></a>00201 <span class="comment"> * Revision 1.2 2006/05/02 14:32:49 strk</span>
<a name="l00202"></a>00202 <span class="comment"> * Added port info for polygonize/EdgeRing class, polygonize/EdgeRing.h header</span>
<a name="l00203"></a>00203 <span class="comment"> * not installed.</span>
<a name="l00204"></a>00204 <span class="comment"> *</span>
<a name="l00205"></a>00205 <span class="comment"> * Revision 1.1 2006/03/22 11:19:06 strk</span>
<a name="l00206"></a>00206 <span class="comment"> * opPolygonize.h headers split.</span>
<a name="l00207"></a>00207 <span class="comment"> *</span>
<a name="l00208"></a>00208 <span class="comment"> **********************************************************************/</span>
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